Finding the Fourth Proportional to 626,317.11, 939,592.70 and 284,785.62
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Solution
The fourth proportional to 626,317.11, 939,592.70 and 284,785.62 is: 427,231.65
Step by Step Solution
- Step 1: Write the proportion equation
626,317.11 : 939,592.70 = 284,785.62 : x - Step 2: Convert to fraction form
626,317.11/939,592.70 = 284,785.62/x - Step 3: Cross multiply
626,317.11x = 939,592.70 × 284,785.62 - Step 4: Simplify right side
626,317.11x = 267,582,493,318.44 - Step 5: Solve for x
x = 267,582,493,318.44/626,317.11 - Step 6: Final answer
x = 427,231.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.